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2004 | 105 | 6 | 575-584
Article title

Excitations of the Moore-Readν=5/2 State: Three-Body Correlations and Finite-Size Effects on a Sphere

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EN
Abstracts
EN
Correlations in partially filled electron and composite fermion Landau levels are studied numerically. Insight into the nature of the correlations is obtained by using model pair pseudopotentials. Energy spectra of a model short-range three-body repulsion are calculated. Moore-Read ground state at the half-filling and its quasielectron, quasihole, magnetoroton, and pair-breaking excitations are all identified. The quasielectron/quasihole excitations are described by a composite fermion model for Laughlin-correlated electron pairs. Comparison of energy spectra and wavefunction overlaps obtained for different pseudopotentials suggests that finite-size effects can be important in numerical diagonalization studies on a sphere.
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Contributors
author
  • University of Tennessee, Knoxville, Tennessee 37996, USA
author
  • Wroclaw University of Technology, 50-370 Wrocław, Poland
References
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Document Type
Publication order reference
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bwmeta1.element.bwnjournal-article-appv105n602kz
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